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Accession number;99A0938784
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| Title;In-situ CO2 Snow Cleaning of the Infrared Simulator. |
| Author;
TORII YASUO
(Natl. Astron. Obs.)
PYO T-S
(Todai Ri Tenmongakukyoikukense)
TANAKA MASUO
(Todai Ri Tenmongakukyoikukense)
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Journal Title;Report of the National Astronomical Observatory of Japan
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Journal Code:F0086B
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ISSN:0915-6321
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VOL.4;NO.3;PAGE.115-120(1999)
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| Figure&Table&Reference; |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;We have made in-situ CO2 Snow cleaning of the main mirror of the Infrared Simulator once a month for one year. We have measured the reflectance and the scattering before and after the cleaning. The cleaning recovered the reflectance, but it was not complete. It seems that the effect of the cleaning becomes somewhat smaller when the reflectance becomes lower than 80%. (author abst.) |
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